Bumps that can appear on the scalp with a white tip is often the result of accumulated oils, bacteria and dead skin or related cells. Tea tree oil will often help to eliminate scalp eruptions or whitehead bumps. If tea tree does not prove effective than consult with a dermatologist.
Daily Hair Tip
If you want haircolor help from nature remember that chamomile lightens blonde hair, rosemary darkens and madderroot is a natural red dye.